Skip to main content

UI/UX Engineers

Sydney, New South Wales Job ID SAS20222102-77474
Apply Now

L3Harris is dedicated to recruiting and developing diverse, high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 47,000 employees, with customers in more than 100 countries.


Job Title: Sr spec, Sec Research Engrg
Job Location: Australia-New South Wales - Sydney
Job Code: SAS20222102-77474

About us

Trenchant is an elite global team of engineers and security researchers charged with building world-class computer security products.

Trenchant’s expertise is the by-product of the L3Harris acquisition of two highly-regarded information security businesses – Azimuth Security and Linchpin Labs. United under Trenchant, we are a key component of L3Harris’ Intelligence and Cyber International Division.

We are a trusted, discrete partner furnishing security products, consultancy, training and integration services to allied security, defence, and law enforcement agencies.

Job Description

The UI/UX Engineer roles will assist in the development of an industry best-practice web user experience to enable complex software and hardware testing of Trenchant products.

In this role, you will develop a web front-end for unit and integration testing, which will be used by internal product developers and potentially external customers to facilitate the automated deployment of complex, multi-device, unit and integration test environments.


  • Develop and maintain a web frontend enabling complex software and hardware testing
  • Collaborate with development teams to ensure product meets their diverse needs
  • Collaborate with analysts and designers in the development and initiation of new software programs and applications
  • Oversee the quality assurance program logic, data processing, and error resolution
    Strategy and planning

Skills and Experience

  • 5+ years of industry experience


  • Javascript/Typescript
  • NodeJS, NextJS
  • React Core
  • Python
  • FastAPI
  • Django
  • Flask
  • SQLalchemy


  • Postgresql

Web Frameworks

  • HTML5
  • CSS and generation frameworks
  • Responsive grid and design systems - VMware Clarity/Twitter Bootstrap

General Skills

  • Version control with Git in a team environment
  • Gitlab CI experience a plus
  • Graphics design
  • UX principles
  • DevOps principles

Character Attributes

  • Team player
  • Ability to work in fast-paced environment
  • Excited about embracing the latest technology
  • Self-motivated to continuously improve work
  • Customer communication skills

Security Requirements

Candidates may be required to obtain and maintain an Australian Government security clearance as a condition of their employment.

Candidates will only be considered for a position at L3Harris Technologies if they are eligible to hold a security clearance. Candidates must be an Australian citizen and have a checkable background of at least 10 years to meet these requirements. A current NV1 security clearance is highly desirable.


Apply Now

Join Our Talent Community

Sign up for job alerts and be the first to know about our job openings.

Select a job category and/or location, then click "Add" for each saved search. Finally, click "Sign Up" to create your job alert.

Interested In

View All Jobs

You have not saved any jobs.

View All Jobs

Awards and Recognition

Fortune 2022 - World's Most Admired Companies
2022 Bloomberg Gender Reporting Framework
Forbes 2020 Award
Top HBCU Supporters
CEO Action
Catalyst CEO
Handshake Early Talent Award
WayUp 100 Top Internship Programs Award
2022 Readers Choice Top 50 Employers
2021 Best Employers for Veterans
2022 DEI Best Place to Work For Disability Inclusion
2022 Top 50 Employer Careers and the disABLED
Catalyst Logo
Forbes 2021 The Best Employers for Diversity
2022 Minority Engineer Magazine Top 50 Employer